Improvement in combined chimneys and ventilators



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Combined Chimneyand Ventilator. N0 159,285 Patented Feb. 2,1875.

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UNITED STATES PATE LOVERN B. SILVER, OF CLEVELAND, OHIO.

Specification forming part of Letters Patent N o. 159,255, dated February 2, 1875; application led December 14, 1874.

. To all whom it may concern:

Be it known that I, LovERN B. SILVER, of Cleveland, county of Cuyahoga and State of Ohio, have invented certain new and useful improvements in apparatus for securing and utilizing heat from chimneys and smoke-pipes and ventilators combined, of which the following is a specification:

The object of my invention is to utilize the heat from the back of a grate, and the heat that would otherwise pass out at the top of the chimney, and also to ventilate the cellar and room 5 and the nature of my invention consists in the construction and arrangement of parts,

as will be hereinafter more fully set forth.

In order to enable others skilled in the art to which my invention appertains to make and use the same, I will now proceed to describe its construction and operation, referring to the annexed drawings, which forni a part of this specification, and in which- Figure l is a front view of the main ue embodying my invention. Fig. 2 is a side view of the same. Fig. 3 is a rear elevation thereof with the rear plate removed, and Fig. 4 is a vertical section through one section of the smoke-pipe.

R represents the main ue, which is made of zinc or other suitable material that is a good non-conductor of heat. The lower end of the flue R is enlarged to surround the grate S, and form an air-chamber, B, back of the grate, the flue being supported upon pillars T T from thecellar-oor M. N is the floor of the rst story, where the grate S is located. O is the floor of the second story,`and P of the garret.

It is, of' course, understood that the flue R may run up as many stories as there are in the building.

A is the smoke-pipe, which conducts the smoke from the grate S, or from a stove, and

may be made of sewer-pipe, tile, iron, or anyv good conductor of heat. The smoke-pipe extends from the back of the grate to a partition, C, inthe upper end of the main flue R.

When a stove is to be used instead of the grate, the stove-pipe (shown at V) will be inserted in the smoke-pipe A as low down as convenient, thereby heating the chamber B substantially the same as from the grate, with the exception that the heat from the back of the grate is not obtained. The air-chamber B extends up the entire length of the smokepipe A, and the air therein is heated by radiation froin or through the back of the grate and the smoke-pipe.

E is the cold-air pipe, extending from the outside of the building to the lower part ot' the chamber B. On the outer end of the cold-air pipe E is pivoted a hood, D, held in proper position by means of a vane, F, attached thereto, so as to receive a current of cold air from outdoors. The air being conducted from the hood D through the pipe E to the hot-air chamber B, it is there heated, and admitted into any room or rooms by means of ordinary registers G. Vithin the main tlue R is a ventilating-iue, H, into which air enters through an opening, I, at the foot of one of the posts T, and which air is carried into the brick flue J and out with the smoke, thus taking impure air from the cellar. The brick flue J rests on the garret-iioor l), the smoke-pipe A entering its lower end through the partition C, and the upper end of the main flue R contracted to surround the same.

For the purpose ot' taking impure air from the upper rooms or chambers openings K are made to enter another Ventilating-flue, L, also within the main ue R, and the impure air passes into the brick iiue J, to be carried oft' with the smoke, as through the cellar-ventilator.

The smoke-pipe A is made in sections, corresponding with the number' of stories in the building, and each section has a small interior pipe, a, which opens through the smoke-pipe at or near both ends of the section, b representing the lower, and d the upper, opening.

Cold air is admitted through the opening b into the pipe a of the lower section of the smoke-pipe at the time and about the same locality the outdoor air is admitted through the pipe E into the chamber B, when it passes through the said air-tube a, and passes out at the opening d, and meets and unites with the warm air at the register G, when both heated currents pass through said register into the room. v

W is a cold-air pipe for the purpose of admitting air from outdoors into the Lipper part of the hot-air chamber B, and into the hot-:tir tube a inside of the upper section of the smokepipe A, just above a valve, Y, (shown in Fig. 3,) when said valve or register is closed, so as to supply the upper room or rooms with heat that might radiate both from the outside of the upper section of the smoke-pipe and through the air-tube Within seid section.

The valve or register Y is to be kept closed when the heut radiated from behind the grate and around the smoke-pipe is desired in the room on the first oor, or the room containing the grate or stove 5 and it is to be thrown open when seid heat is desired most in the room or rooms above the one containing the grate or stove.

LOVERN B. SILVER. Witnesses:

TRUMAN D. PEOK, GEORGE WV. THoMrsoN. 

